18650 lithium ion battery capacity tester - 18650 li ion cells
Hello everyone, I bought very few 9800 mAh and very few 4200 mAh lithium ion batteries from AliExpress last year.
They are cheap. . .
When I do more research on them, I find that these are fake and that they may have very little actual capacity.
Then I extracted the lithium ion battery from the old laptop battery.
But I would like to know if these are still original capacity or reduced capacity for beginners. It's hard to buy expensive testers. . . .
So in this instructable I will share how to make the 1 s lithium ion battery capacity tester. Please share your comments if you like this structure. Material-
TP4056 with protection functionUSB female-USB doctor-USB Load-Battery holder-Wires-
Wooden battery from different sources-
Modules with hotglue, glue battery holder and TP4056-
Connect the battery stand to TP4056 on B and-B-
Connect USB to Vout and-
Does VoutCheck connect everything correctly. I bought 4 batteries for $6.
It claims to have 9800 mAHClaimed capacity: 9800 mAhActual capacity: 1000 mAhActual is about 10% of the 3 batteries obtained by claimedI. 5 dollars.
It claims 4200 mAHClaimed capacity: 4200 mAhActual capacity: 500 to more than 600 mAhLittle 10% claims that capacityI extracts these old HP notebooks batteryClaimed capacity: 3000 mAhActual capacity: 2300 month old batteriesI mAhNot bad extraction these old HP notebooks batteryClaimed capacity: 2200 mAhActual capacity: 2000 mAhNot bad for 7 year old batterers if you like this note, please share your comments.
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